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Finding the Fourth Proportional to 460,339.74, 635,243.85 and 253,567.94

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Solution

The fourth proportional to 460,339.74, 635,243.85 and 253,567.94 is: 349,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,339.74 : 635,243.85 = 253,567.94 : x
  2. Step 2: Convert to fraction form
    460,339.74/635,243.85 = 253,567.94/x
  3. Step 3: Cross multiply
    460,339.74x = 635,243.85 × 253,567.94
  4. Step 4: Simplify right side
    460,339.74x = 161,077,471,265.95
  5. Step 5: Solve for x
    x = 161,077,471,265.95/460,339.74
  6. Step 6: Final answer
    x = 349,909.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.